Dennis Mark Prager (born August 2, 1948) is an American nationally syndicated conservative radio talk show host and writer. Born into an Orthodox Jewish family, his initial political work concerned Soviet Jews who were unable to emigrate. He gradually began offering more and broader commentary on politics. His views generally align with Social conservatism. He founded PragerU, an American non-profit organization that creates videos on various political, economic, and philosophical topics from a conservative perspective.